From f06aa8058b7e32ba32d4551074b6e0b8a300f751 Mon Sep 17 00:00:00 2001 From: Thomas Bruederli <thomas@roundcube.net> Date: Mon, 21 Oct 2013 15:02:40 -0400 Subject: [PATCH] Bump version after security fix --- program/include/rcube_cache.php | 75 ++++++++++++++++++++++++++----------- 1 files changed, 53 insertions(+), 22 deletions(-) diff --git a/program/include/rcube_cache.php b/program/include/rcube_cache.php index 204eaa5..299e655 100644 --- a/program/include/rcube_cache.php +++ b/program/include/rcube_cache.php @@ -7,7 +7,10 @@ | This file is part of the Roundcube Webmail client | | Copyright (C) 2011, The Roundcube Dev Team | | Copyright (C) 2011, Kolab Systems AG | - | Licensed under the GNU GPL | + | | + | Licensed under the GNU General Public License version 3 or | + | any later version with exceptions for skins & plugins. | + | See the README file for a full license statement. | | | | PURPOSE: | | Caching engine | @@ -28,7 +31,7 @@ * @package Cache * @author Thomas Bruederli <roundcube@gmail.com> * @author Aleksander Machniak <alec@alec.pl> - * @version 1.0 + * @version 1.1 */ class rcube_cache { @@ -188,6 +191,24 @@ /** + * Remove cache records older than ttl + */ + function expunge() + { + if ($this->type == 'db' && $this->db) { + $this->db->query( + "DELETE FROM ".get_table_name('cache'). + " WHERE user_id = ?". + " AND cache_key LIKE ?". + " AND " . $this->db->unixtimestamp('created')." < ?", + $this->userid, + $this->prefix.'.%', + time() - $this->ttl); + } + } + + + /** * Writes the cache back to the DB. */ function close() @@ -227,26 +248,30 @@ return null; } - if ($this->type == 'memcache') { - $data = $this->db->get($this->ckey($key)); - } - else if ($this->type == 'apc') { - $data = apc_fetch($this->ckey($key)); - } - - if ($data) { - $md5sum = md5($data); - $data = $this->packed ? unserialize($data) : $data; - - if ($nostore) { - return $data; + if ($this->type != 'db') { + if ($this->type == 'memcache') { + $data = $this->db->get($this->ckey($key)); } + else if ($this->type == 'apc') { + $data = apc_fetch($this->ckey($key)); + } - $this->cache_sums[$key] = $md5sum; - $this->cache[$key] = $data; + if ($data) { + $md5sum = md5($data); + $data = $this->packed ? unserialize($data) : $data; + + if ($nostore) { + return $data; + } + + $this->cache_sums[$key] = $md5sum; + $this->cache[$key] = $data; + } + else { + $this->cache[$key] = null; + } } - - if ($this->type == 'db') { + else { $sql_result = $this->db->limitquery( "SELECT cache_id, data, cache_key". " FROM ".get_table_name('cache'). @@ -271,6 +296,9 @@ $this->cache[$key] = $data; $this->cache_sums[$key] = $md5sum; $this->cache_keys[$key] = $sql_arr['cache_id']; + } + else { + $this->cache[$key] = null; } } @@ -436,10 +464,13 @@ */ private function delete_record($key, $index=true) { - if ($this->type == 'memcache') - $this->db->delete($this->ckey($key)); - else + if ($this->type == 'memcache') { + // #1488592: use 2nd argument + $this->db->delete($this->ckey($key), 0); + } + else { apc_delete($this->ckey($key)); + } if ($index) { if (($idx = array_search($key, $this->index)) !== false) { -- Gitblit v1.9.1